The Following Table Gives the Number F(x, Y) of Grape

question 15

Short Answer

The following table gives the number f(x, y) of grape vines, in thousands, of age x in year y. In one year a fungal disease killed most of the older grapevines, and in the following year a long freeze killed most of the young vines. Which are these years?

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Definitions:

Foreign Key Field

In databases, an attribute in a table that links to the primary key of another table, establishing a relationship between the tables.

One-to-many Relationship

A one-to-many relationship in databases is a type of link between two tables where a record in the first table can be associated with one or more records in the second table.

SQL Statement

A query or command written in SQL (Structured Query Language) to perform operations such as retrieving data, updating records, or creating database structures.

Field Names

The identifying labels used to describe the type of data stored in each column of a database or spreadsheet.